Mathematics mcqs

the water in a rectangular reservoir having a base 80m by 60m is 6.5m deep.in what time can the water be amplified by a pipe of which the cross section

the volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?

the volumes of two cones are in the ratio 1 : 10 and the radii of the cones are in the ratio of 1 : 2. what is the length of the wire?

the volume of a cube is 1728 cc. find its surface.

the value of a plant depreciates by 10 % annually. if the present value of the plant is rs. 100000, then what will be its value after 2 years?

the value of a machine depreciates at 20% per annum. if its present value is rs.

the value of 25.25 – 23.23 + 24.24 is---------?

the true discount on rs. 2562 due 4 months hence is rs. 122. the rate percent is:---------?

the true discount on rs. 1760 due after a certain time at 12% per annum is rs. 160. the time after which it is due is:

the true discount on a bill due 9 months hence at 16% per annum is rs. 189. the amount of the bill is:

the total cost of flooring a room at rs.8.50 per square meter is rs.510. if the length of the room is 8km it’s breadth is----------?

the top of a 15 metre high tower makes an angle of elevation of 60° with the bottom of an electric pole and angle of elevation of 30° with the top of th

the time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream.

the third proportional to 3.5, 5.6 is:-----------?

the tens digit of a two-digit number is two more than its unit digit. the two-digit number is 7 times the sum of the digits. find the units digits?

the tax on a commodity is diminished by 20% but its consumption is increased by 10%. find the decrease percent in the revenue derived from it?

the tax on a commodity is diminished by 20% and its consumption increased by 15%. the effect on revenue is---------?

the tank full of petrol in haroon’s motorcycle lasts for 10 days, if he starts using 25% more every day for how many days will the tank full of petrol l

the surface of a cube is 24sq cm. find its volume?

the surface area of a (10cm x 4cm x3cm) brick is----------?

the sum of two numbers is 528 and their h.c.f is 33. the number of pairs of numbers satisfying the above conditions is----------?

the sum of two numbers is 25 and their differenee is 13. find their product :

the sum of two numbers is 2490. if 6.5 % of one number is equal to 8.5 % of the other then the numbers are:---------?

the sum of three numbers is 98.

the sum of three numbers is 172. the ratio of the first and second numbers is 8:11. the ratio of the second and third is 5:7.