Fipersons A, K, L, R and U are sitting around a circular table. K is immediate ve left to U is hetween A and U, then immediate neighbours of L are

A circular ground of radius 7 m has a path of width 7 m around it on its outside. The area of
the path is approximately equal to________

A can do a work in 12 days, B in 6 days and Cin 3 days. A and B start working together and
after a day, C joins them. The total number of days required to complete the work is
days

At what rate percent compound interest does a sum of money become nine fold in 2 years?

simplify:
$\sqrt{4\sqrt{3\sqrt{x^{2}}}}$

Find the missing block.

Find the greatest number that will divide 43, 91, 183 so as to leave the same remainder in
each case.

The number of number-pairs lying between 40 and 100 with their H.C.F. as 15 is

A, B, C, D start at the same time to run around a circular garden in the same direction. A completes a round in 30 minutes, B in 60 minutes, C in 90 minutes and D in 105 minutes. After what time will they meet again at the starting point?

Find the greatest number of 4 digits which is divisible by 15, 25, 40 and 75