Latest Posts

Find out the wrong number in the series given below :15, 16, 34, 105, 424, 2124, 12756A. 34B. 105C. 2124 D. 16 Sol: 2nd term = 1st term × 1 + 1 = 15 × 1 + 1 = 16 3rd term = 2nd term × 2 + 2 = 16 × 2 + 2 = 34 4th term = 3rd term × 3 + 3 = 34 × 3 + 3 = 105 5th term = 4th ...

Ravi and Kavi start a business by investing Rs. 8000 and Rs. 72000, respectively. Find the ratio of their profits at the end of year. A. 7:9 B. 1:9 C. 5:9 D. 2:9 Sol: Their profits must be divided in the ratio of their investment .So , Ravi's profit : Kavi's profit =8000:72000 ...

X, Y and Z invested Rs. 4,000, Rs. 6,000 and Rs. 8,000 respectively in a business. They invested the money for 3, 2 and 4 years respectively, If the total profit is Rs. 56,000, then what is the share of Y in the profit? Rs. 18,000 Rs. 12,000 Rs. 15,000 Rs. 9,000 Sol: X, Y and Z invested Rs. ...

A, B and C invested Rs. 8,000, Rs. 4,000 and Rs. 8,000 respectively in a business. A left it after six months and at the end of eighth month, there was a gain of Rs. 4,005. Then the share of B in it is (in rupees) Rs. 690 Rs. 790 Rs. 890 Rs. 990 Answer: 890 Sol: Investment ...

A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many days C alone will do the work ? 24 days 16 days 48 days 36 days Sol:

Sunil invested Rs. x in scheme A at a rate of 15% per annum for 2 years at Simple Interest and invested Rs. (x + 500) in scheme B at the rate of 12% per annum for 2years at simple Interest. If the total interest received by him at the end of 2 years is Rs. 4224 then find the value of x. A. ...

The ratio between the speeds of two trains is 4 : 5. If the second train runs 800 km in 8 hours, then what is the speed of the first train? A. 80 Km/h B. 90 km/h C. 70 km/h D. 40 km/h Sol; Formula Used: speed = distance/time Let the speed of two trains be 4x and 5x ...

A shopkeeper sold an article at a loss of 20%. If the selling price had been increased by ₹100, there would have been a gain of 5%. What was the cost price of the article? A. ₹400 B. ₹500 C. ₹700 D. ₹600 Ans:

A vessel contains 208 liters’ mixture of milk and water mixed in the ratio 11 ∶ 5. ‘8x’ liters of mixture are taken out of the vessel and replaced with ‘3x - 4’ liters of water so that the ratio of milk to water in the vessel becomes 4 : 3 respectively. Find the difference between the final ...

7, 6, 11, 32, 135, 634 a. 32 b. 11 c. 135 d. 634 e. 6 Sol: 7 * 1 – 1 = 6 6 * 2 – 1 = 11 11 * 3 – 1 = 32 32 * 4 – 1 = 127 127 * 5 – 1 = 634