If ₹5000 is invested for a period of three years at 20% compound interest per annum, compounded annually, what will be the amount received after 3 years? A. ₹8640 B. ₹8680 C. ₹8000 D. ₹8480 Sol: Principle (P) = Rs. 5000 Rate of interest (R) = 20% per annum Time period (T) = 3 years […]
The age of Mohan is four times that of his son Ajit. If the sum of their ages is 30 years, Ajit’s age is years. Sol: Let Ajit’s present age be x. Mohan’s present age is 4 times that of his son Ajit = 4x Sum of their ages is 30 years. ⇒ x +
A man’s property was distributed among his wife and three sons. If the wife got half.the share and the remaining was distributed equally among his 3 children such that each child gets Rs 50, 000 what was the worth of the property and how much did the wife sol:
A person divides a certain amount among his three sons in the ratio of 3 ∶ 4 ∶ 5. If he had divided this amount in the ratio of 1/3,1/4,1/5, his son, who had got the lowest share earlier, would get Rs.1,188 more. Find the amount. Sol: A person divides a certain amount among his
The ratio between the speeds of two trains is 5 ∶ 7. If the first train covers 300 km in 3 hours, then the speed (in km/h) of the second train is A. 100 B. 300 C. 140 D. 200 Sol: Let the speed of the first train be 5x and the speed of the
The ratio of cost price and marked price of an article is 2 : 3 and ratio of percentage profit and percentage discount is 3 : 2 .what is the discount percentage? Sol:
A batsman in his 13th inning makes a score of 97 runs, thereby increasing his average score by 5. What is his average score after the 13th inning? Sol: A batsman in his 13th inning makes a score of 97 runs, thereby increasing his average score by 5. Old average × old number + something = New average ×
Find out the wrong number in the series given below : 1, 2, 6, 15, 31, 56, 91 A. 31 B. 15 C. 56 D. 91 Ans: 91 Sol: ∴91 is wrong.
Find out the wrong number in the series 1, 2, 6, 15, 31, 56, 91 Read More »
A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in how many days? A. 1/24 Day B. 7/24 days C. 24/7 days D. 4 days Sol: (A+B+C)’s 1 day’s work = ( 1/24 + 1/6 +1/12) = 7/24 So,
A, B and C can complete a piece of work in 24, 6 and 12 days respectively Read More »
A and B can do a job in 12 days and B and C can do it in 16 days. A and B started working, without C. A worked for 5 days and quit. B worked for 7 days and quit. C worked for a total of 13 days and finished the work. In how
