Mathematics Quiz 16

1 / 50

**The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:________?**

2 / 50

**A rectangular courtyard 3.78min long and 5.25m broad is to be paved exactly with square tiles all of the same size. The minimum number of such tiles is_________?**

3 / 50

**A gardener increases the area of his rectangular garden by increasing its length by 40% and decreasing by 20%. The area of the new garden?**

4 / 50

**The area of the floor of a room is 20 m2?that of a longer wall 15 m2?and of the shorter wall 12 m2, find the edge of the new cube?**

5 / 50

**P and Q started a business with respective investments of Rs. 4 lakhs and Rs. 10 lakhs. As P runs the business, his salary is Rs. 5000 per month. If they earned a profit of Rs. 2 lakhs at the end of the year, then find the ratio of their earnings?**

6 / 50

**40 is subtracted from 60% of a number, the result is 50. Find the number?**

7 / 50

**If 10 bulls can plough 20 identical fields in 3 days working 10 hours a day, then in how many days can 30 bulls plough 32 same identical fields working 8 hours a day?**

8 / 50

**A bag contains 1 rupee, 2 rupee and 5 rupee coins amounting to Rs.264. If the ratio of the number of these coins is 3:5:4, find the number of 1 rupee coins.**

9 / 50

**The interest on Rs. 750 for 2 years is the same as the true discount on Rs. 960 due 2 years hence. If the rate of interest is the same in both cases, it is:**

10 / 50

**In a hostel mess there is enough food provisions for 1200 boarders for a month. After 15 days half of them leave due to vacations. How long will the food provisions now last?**

11 / 50

**A dealer purchases 15 articles for Rs. 25 and sells 12 articles for Rs. 30. Find the profit percentage?**

12 / 50

**The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.**

13 / 50

**Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.15of money?**

14 / 50

**A cistern has two taps which fill it in 12 min. and 15 min.respectively There is one outlet pipe in the cistern. When all the taps & pipe are opened, the empty cistern is full in 20 min. How long will the waste pipe (outlet) take to empty the full cistern ?**

15 / 50

**Using all the letters of the word ?NOKIA?, how many words can be formed, which begin with N and end with A?**

16 / 50

**The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?**

17 / 50

**A car is purchased on hire-purchase. The cash price is $21 000 and the terms are a deposit of 10% of the price, then the balance to be paid off over 60 equal monthly installments. Interest is charged at 12% p.a. What is the monthly installment?**

18 / 50

**zero is a__________ number?**

19 / 50

**One root of the quadratic equation x2?? 12x + a = 0, is thrice the other. Find the value of a?**

20 / 50

**Pipes A and B can fill a cistern in 8 and 24 minutes respectively. They are opened an alternate minutes. Find how many minutes, the cistern shall be full?**

21 / 50

**How many four digit even numbers can be formed using the digits {2, 3, 5, 1, 7, 9}**

22 / 50

**Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?**

23 / 50

**Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15 and 22 as remainders respectively?**

24 / 50

**The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?**

25 / 50

**In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected?**

26 / 50

**If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.**

27 / 50

**The side of a rhombus is 26 m and length of one of its diagonals is 20 m. The area of the rhombus is_______?**

28 / 50

**A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.18000. A?s share is?**

29 / 50

**Out of an earning of Rs. 720 Ram spends 65 %. How much does he save?**

30 / 50

**A pipe can fill a cistern in 20 minutes whereas the cistern when fill can be emptied by a leak in 28 minutes. When both pipes are opened, find when the cistern will be full?**

31 / 50

**In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?**

32 / 50

**If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is :**

33 / 50

**After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article?**

34 / 50

**The smallest number when increased by ? 1 ? is exactly divisible by 12, 18, 24, 32 and 40 is__________?**

35 / 50

**A hall is a 15m long and 12m board. If the sum of the areas of the floor and the ceiling is equal to the areas of the 4 walls the volume of the hall is:**

36 / 50

**A person ordered 5 pairs of black socks and some pairs of brown socks. The price of a black pair was thrice that of a brown pair while preparing the bill the bill clerk inter-changed the number of black and brown pairs by mistake which increased the bill by 100% what was the number of pair of brown socks in the original order?**

37 / 50

**The least number of five digits that have 144 their HCF is__________?**

38 / 50

**40% of Raees marks is equal to 20% of Rahim?s marks which percent is equal to 30% of Rehman?s marks. If Rehman?s marks is 80, then find the average marks of Raees and Rahim?**

39 / 50

**(0.9 * 0.9 ? 0.8 * 0.8)/1.7 = _________?**

40 / 50

**P, Q and R have Rs.6000 among themselves. R has two-thirds of the total amount with P and Q. Find the amount with R?**

41 / 50

**A circle and a rectangle have the same perimeter. The sides of the rectangle are 18cm and 26cm.What is the area of the circle?**

42 / 50

**12(13/18) + 16(11/27) ? 10(5/9) = _________?**

43 / 50

**Mr. Tassawar Javed invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?**

44 / 50

**Hafeez invested Rs. 15000 @ 10% per annum for one year. If the interest is compounded half-yearly, then the amount received by Hafeez at the end of the year will be?**

45 / 50

**60% of a number is added to 120, the result is the same number. Find the number?**

46 / 50

**The angle of elevation of a ladder leaning against a wall is 60? and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is :_________?**

47 / 50

**(22 * 495 + 891 * 44) / (33 * 176 + 55 * 264) = _________?**

48 / 50

**An order was placed for the supply of a carpet whose breadth was 6 m and length was 1.44 times the breadth. What be the cost of a carpet whose length and breadth are 40% more and 25% more respectively than the first carpet. Given that the ratio of carpet is Rs. 45 per sq m?**

49 / 50

**A man rows at a speed of 6 km/hr in still water. If the time taken to row a certain distance upstream is 4 times the time taken to row the same distance downstream, what is the speed of the river?**

50 / 50

**Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?**

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