Mathematics Quiz 5

If 20 teachers out of a faculty of 80 are transferred, what percentage of the original faculty remains ?

Find the one which does not belong to that group ?

The total marks obtained by a student in Physics, Chemistry and Mathematics is 150 more than the marks obtained by him in Physics. What is the average mark obtained by him in Chemistry and Mathematics?

From a point P on a level ground, the angle of elevation of the top of a tower is 30?. If the tower is 100 m high, the distance of point P from the foot of the tower is :_________?

P,Q and R together earn Rs.1620 in 9 days. P and R can earn Rs.600 in 5 days. Q and R in 7 days can earn Rs.910. How much amount does R can earn per day?

Find the one which does not belong to that group ?

The diameter of a circle is 105 cm less than the circumference what is the diameter of the circle?

What amount does Kiran get if he invests Rs.8000 at 10% p.a. compound interest for two years, compounding done annually?

The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?

The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?

Find the one which does not belong to that group ?

The length of a hall is (4/3) times its breadth. If the area of the hall be 300 square meters the difference between the length and breadth is__________?

A man purchases 8 pens for Rs.9 and sells 9 pens for Rs.8, how much profit or loss does he make?

A person spends 1/5th of his income on the education of his children, and 20% of the remaining on food. If he is left with Rs.576 find his income?

Rs. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is___________?

75 % of a number when added to 75 is equal to the number. The number is:_______?

A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph?

Rs. 800 amounts to Rs. 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much ?

If X:Y = 2:3, Y:Z = 4:5. Find X:Y:Z.

If the true discount on s sum due 2 years hence at 14% per annum be Rs. 168, the sum due is:________?

Samad purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?

The least number which when divided by 16, 18 and 21, leave the remainder 3, 5 and 8 respectively is___________?

The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number?

Ten years ago, the age of Aftab was one-third the age of Kashif at that time. The present age of Kashif is 12 years more than the present age of Aftab. Find the present age of Aftab?

5 * 5 ? 5 + 5 ? 5 = __________?

The ratio between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length. The perimeter of the field is_________?

In how many ways can live boys and three girls sit in a row such that all boys sit together?

The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone.

Find the one which does not belong to that group ?

In a group of 80 children and 10 youngsters, each child got sweets that are 15% of the total number of children and each youngster got sweets that are 25% of the total number of children. How many sweets were there?

(98 / 7 / 2) / ? = 14

The ratio of investments of two partners P and Q is 7:5 and the ratio of their profits is 7:10. If P invested the money for 5 months, find for how much time did Q invest the money?

To fill a cistern, pipes P, Q & R take 20, 15 & 12 minutes respectively. The time in minutes that the three pipes together will take to fill the cistern is:__________?

45% of 750 ? 25% of 480 =__________?

A man walked 20 m to cross a rectangular field diagonally. If the length of the field is 16 cm. Find the breadth of the field is________?

The parameter of a square is double the perimeter of a rectangle. The area of the rectangle is 480 sq cm. Find the area of the square.

A path of uniform width turns the inside of a rectangular field 38m long and 32m wide. IF the path occupies 600 m2?than the width of the path is_______?

The radius of a semi circle is 6.3 cm then its perimeter is?

Masood?s salary is reduced by 10% and then reduced salary is increased by 10%. Find ,how many percentage his present salary is less as compared to his previous salary?

A fair price shopkeeper takes 10% profit on his goods. He lost 20% goods during theft. His loss percent is:________?

Jameel gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Nasir gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross?

The sides of a cube are in the ratio 1:2 the ratio of their volume is__________?

Masood invests a part of Rs. 12000 in 12% stock at Rs. 120 and the remainder in 15% stock at Rs. 125. If his total dividend per annum is Rs. 1360, how much does he invest in 12% stock at Rs. 120?

The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is___________?

P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?

A sum amount to Rs.1344 in two years at simple interest. What will be the compound interest on the same sum at the same rate of interest for the same period?

In an examination 40% failed in Urdu, 45% failed in English. If 25% students failed in both the subjects. Then the percentage of failed students is________?

Ghafoor went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?

The length and breadth of play ground are 36 m and 21 m respectively. Flag staffs are required to be fixed on all along the boundary at a distance of 3 m part. The number of flag staffs will be___________?

The area of a square is 4096 sq cm. Find the ratio of the breadth and the length of a rectangle whose length is twice the side of the square and breadth is 24 cm less than the side of the square.