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 is a square of a side 20cm if the water runs through the pipe at the rate of 15km per hour?

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

42hours

65hours

26hours

52hours

the value of a machine depreciates at 20% per annum. if its present value is rs. 1,50,000, at what price should it be sold after two years such that a profit of rs. 24,000 is made?

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

rs. 1,21,000

rs. 1,10,000

rs. 1,24,000

rs. 1,20,000

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 the polwhat is the height of the electric pole ?

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

8 metres

12 metres

10 metres

5 metres

the time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. if the speed of the boat in still water is 42 kmph, find the speed of the stream?

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

15 kmph

14 kmph

12 kmph

13 kmph

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 last?

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

7days

6days

5days

8days

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