24 men can do a piece of work in 17 days. How many men will be able to do it in 51 days?

• 8

• 10

• 12

• 6

52.

In a cyclic quadrilateral ABCD, the side AB is extended to a point X. If ∠XBC = 82° and ∠ADB = 47°, then the value of ∠BDC is

• 40°

• 35°

• 30°

• 25°

The marked price is 10% higher than the cost price. A discount of 10% is given to the marked price. In this kind of sale, the seller

• bears no gain, no loss

• gains

• loses 1%

• None of these

Two numbers whose sum is 84, can do be in the ratio:

• 5 : 7

• 13 : 8

• 1 : 3

• 3 : 2

By selling cloth at Rs 9 per metre, a shopkeeper loses 10%. Find the rate at which it should be sold so as to earn profit of 15%

• Rs. 11.20

• Rs. 11.30

• Rs. 11.40

• Rs. 11.50

After selling 5% of a quantity of sugar, 5 kg of sugar remains. Find the total quantity of sugar?

• 19 kg

• 

• 100 kg

• 95 kg

A train 110 m long is running with a speed of 60 km/h. In what time will it pass a man who is running at 6 km/h in the direction opposite to that in which the train is going?

• 5 sec

• 6 sec

• 7 sec

• 10 sec

If x = at² and y = 2at then

• x² = 4ay

• y² = 4ax

• x² + y² = a²

• x² - y² = a²

If xy + yz + zx = 1,   then the value of  is

• 2

• 3

• 4

• 1

If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120°, then ∠POQ is

• 90°

• 45°

• 30°

• 60°