A man is six times as old as his son. Four years hence, the sum of their ages will be 43 years. How old is his son now?
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Arun can climb a coconut tree by 1.5 feet by each lift; however he slips 0.5 feets every time he makes the next lift. How many lifts he will have to take to reach the top of the coconut tree. If height of tree is 18.5 feet?
Jogen’s taxable income for 2010-11 is rs.5,00,000. Tax rates are 1. Nil for 1st 150000; 2. 10% for 150000-300000 and 20% for the remaining. his tax liability is?
If A is 40% more than B and B is 20% less than C then A:C is?
The ratio of income of A and B is 7:3 and that of their expenditure is 5:2. If both of them save Rs. 300 each. Then find the income of A?
Original price of TV set is Rs. 9000. The price is discounted by 20% and then raised by10%. What is the new price?
A student walks from his house at 4km/hr and reaches his school 5 mins too late, if his speed had been 5km/hr he would have reached 10 minutes too early. How far is the school from his house?
Find the least number of 5 digits which is exactly divisible by 129?
What must be added to each term of ratio 7:11, so as to make it equal to 3:4?
In a group of five boys and five girls, 3 persons are to be selected for a competition. What is the probability that all three persons are girls?
Two coins are tossed simultaneously. The probability of getting at most one tail is?
A flag pole 18m high castes a shadow 9.6m long. What is the distance of the top of the pole from the end of the shadow?
A box contains 2 red balls, 3 blue balls and 4 black balls. 3 balls are drawn at random. Find the probability that all balls are blue?
A copper sphere of diameter 18cm is drawn into a wire of diameter 4mm. Find the length of the wire (in meter)?
What is the circumference of wheel whose radius is 14cm ?
A dishonest dealer sys that he sells his goods at C.P, but he weighs 900gm for a kg. What is his gain %?
The area of a square park is 25km2. The time taken to complete a round of the field once, at a speed of 3km/hr?