A father was 12 times as old as his son 20 years back. Now he is twice as old as his son. What are their present ages?
A fires 5 shots to Bs 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed:
A flagstaff 17.5 meters high casts a shadow of length 40.25 meters. What will be the height of a building, which casts a shadow of length 28.75 meters under similar conditions?
A forester wants to plant 44 apples tree, 66 banana trees and 110 mango trees in equal rows (in terms of number of trees). Also, he wants to make distinct rows of tree (i.e. only one type of tree in one row). The number of rows (minimum) that required is:
A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The remaining food will last for
A fraction becomes 1/6 when 4 is subtracted from its numerator and 1 is added to its denominator. If 2 and 1 are respectively added to its numerator and the denominator, it becomes 1/3. Then, the LCM of the numerator and denominator of the said fraction, must be = ?
A fraction having denominator 30 and lying between 5/8 and 7/11 is-
A fraction in reduced form is such that when it is squared and then its numerator is increased by 25% and the denominator is reduced t0 80% it results in 5/8 of original fraction. The product of the numerator and denominator is :
A fraction in reduced form is such that when it is squared and then its numerator is reduced by 100/3 % and denominator is reduced to 20%, its result is twice the original fraction. The sum of numerator and denominator is:
A fruit seller buys some oranges and by selling 40% of them he realizes the cost price of all the oranges. As the oranges being to grow over-ripe, he reduces the price and sells 80% of the remaining oranges at half the previous rate of profit. The rest of the oranges being rotten are thrown away. The overall percentage of profit is:
