What approximate value will come in the place of question mark (?) in the following questions ? (You are not expected to find exact value.)
29 % of 3420 + 17% of 388 - 310 =?
$$(17.7 \times 28.9) \div (32.8 - 17.4)^2 =?$$
87% of 3981 - 725.14 = 45% of ?
(8)^{2} % of ? = 723 + 45
3/4 of 26% of 850 = ?
For the following questions answer them individually
A 210 metre long train crosses a platform in 120 seconds. What is the speed of train?
The angles in a triangle are in a ratio of 19 : 10 : 7. What is the sum of thrice the smallest angle and the twice the largest angle ?
Find the compound interest on a sum of Rs. 125000 for- 9 months at the rate of 8 per cent per annum compounded quarterly.
Ramesh had to obtain 36% marks to pass in an examination. He obtained 24% marks and failed by 9 marks. Find the maximum marks of the examination.
From a group of 8 boys, a boy left and a new boy weighing 56 kg was included in the team. Thus the average weight of the group increased by 2.5 What is the weight of new boy’?