Problems on Percentages, Objective Arithmetic,

The difference between 78 % of a number and 59 % of the same number is 323. What is 62 % of that number?

Solution :-

78% -59%= 323

 19% = 323

62% = (62 x 323)/19     = 1054

In an Examination it is required to get 296 marks out of the aggregate marks to pass. A student gets 222 marks and is declared failed by 10 % marks .What are the maximum aggregate marks a student can get?

Solution :-

10% of total marks = 296-222 = 74

Therefore, total marks  = 740.

Devan invests Rs.2,34,558, which is 25% of his annual income, in National Saving Schemes. What is his monthly income?

Solution :-

Annual income of Devan = 234558 x 4  = Rs.938232/-

Monthly income of Devan = 938232/ 12 = Rs.78186./-.

In an examination Utsav scores a total of 367 marks out of 545. What is his approximate percentage in the examination?

Solution :-

Approximate percentage = 367/545 x 100

= 67.34%.