Tag: math & puzzles

Two numbers are such that their difference, their sum and their product are in ratio of 1:7:24. The product of the number is _______ ?

Mr. K, his sister S, his son A and his daughter D are very good singers. A) The best singer and the worst singer are of same age. B)The best singer's twin and the worst singer are of opposite sex. Choose the correct option.

"K, L, M and N are four sisters playing a game where the loser doubles the money of each of the other players. They played four games and each sister lost One game in alphabetical order. At the end of the fourth game each sister had Rs. 96/-. What was the amount left with M after second game?"

" X runs 3/2 times as fast as Y. If X gives Y a start of 300 meters, how far must X run before he catches up with Y?"

Dhullar dhobi and Kalu mochi has joined Gadha-karmakar sanstha. Dhullar and Kalu started with an initial salary of Rs 500 and Rs 640 respectively with an annual increment of Rs.25 and Rs.20 respectively. After how many years dhullar salary will cross that of kalu?

find the value of the expression 1-6+2-7+3-8... 100 terms

find the sum of all number divisible by 6 between 100 to 400

find sum of 10 ten terms of series 1,8,15

how many term of the series -12,-9,-6 must be taken to make it 54?

The sum of 5 numbers in A.P is 30 and the sum of their squares is 220. Then the third term is