100/√3 m
86.50 m
100√3 m
None of the above
A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights 8 g/cm^3, then the weight of the pipe is:
A horse is tied at the corner of a rectangular field whose length is 20 m and width is 16 m, with a rope whose length is 14 m. Find the area which the horse can graze :
A house worth Rs. 150000 is sold by X at a 5% profit to Y. Y sell the house back to X at a 2% loss. Then, in the entire transaction
A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?
A is 16 years older than B. But half the age of B is equal to 1/3 of A’s age. Find their present age.
A is 2 years older than B who is twice as old as C. If the total of the ages of A,B and C is 27, how old is B?
A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
A is 60% more efficient than B. In how many days will A and B working together complete a piece of work which A alone takes 15 days to finish?
A is a working and B is sleeping partners in a business. A puts in Rs. 5000 and B puts in Rs.6000. A receives % of the profit for managing the business and the rest is divided in proportion to their capital. What does each get out of a profit of Rs. 880?
A is older by 4 years to B at one stage. After 16 years of this stage, A will be thrice his present age and B will be five times his present age. How old would A and B be two years before the initially indicated stage?