121.

The interest on a certain sum of money is ₹ 22 and the discount on the same sum for the same time and at the same rate is ₹ 20, find the sum.

• ₹ 220

• ₹ 200

• ₹ 210

• ₹ 212

A retailer purchased radio sets at the rate of ₹ 400 each from a wholesaler. He raised the price by 30% and then allowed a discount of 8% on each set. His profit will be

• 19%

• 78.4%

• 22%

• 19.6%

A reduction in the price of apples enables a person to purchase 3 apples for ₹ 1 instead of ₹ 1.25. What is the per cent of reduction in price (approximately)?

• 20

• 25

• 30

• 

₹ 700 is divided among A, B, C in such a way that the ratio of the amounts of A and B is 2 : 3 and that of B and C is 4 : 5. Find the amounts (in ₹) each received, in the order A, B, C.

• 150,  250,  300

• 160,  240,  300

• 150, 250, 290

• 150, 240, 310

The ratio of monthly incomes of A, B is 6 : 5 and their monthly expenditure are in the ratio 4 : 3. If each of them saves ₹ 400 per month. Find the sum of their monthly incomes.

• ₹ 2300

• ₹ 2400

• ₹ 2200

• ₹ 2500

A and B have together three times what B and C have, while A, B, C together have ₹ 30 more than that of A. If B has 5 times that of C, then A has

• ₹ 60

• ₹ 65

• ₹ 75

• ₹ 45

A cricket player after playing 10 tests scored 100 runs in the 11th test. As a result, the average of his runs is increased by 5. The present age of runs is

• 45

• 40

• 50

• 55

A fruit seller buys some oranges at the rate of 4 for ₹ 10 and an equal number more at 5 for ₹ 10. He sells the whole lot at 9 for ₹ 20. What is his loss or gain per cent.

• Loss per cent 

• Gain per cent 

• No loss or no profit

• Loss per cent 2%

15 L of a mixture contains alcohol and water in the ratio 1 : 4. If 3 L of water is mixed in it, the percentage of alcohol in the new mixture will be

• 15

• 

• 17

• 

A man rides at the rate of 18 km/h but stops for 6 min to change horses at the end of every 7th km. The time that he will take to cover a distance of 90 km is

• 6 h

• 6 h 12 min

• 6 h 18 min

• 6 h 24 min