ISRO LPSC Hindi Typist Paper 2018 – Subject Arithmetic

What will be the average of the following set of scroes?
283, 345, 442, 786, 242
(a) 416.9
(b) 417.8
(c) 419.6
(d) 421.5

A train covers 315 km in 5 hours. The speed of a bicycle is 1/3rd the speed of the train. How much distance will the bicycle cover in two hours?
(a) 45 km
(b) 41 km
(c) 44 km
(d) 42 km

The ratio between the present ages of Sudhir and Madan is 4:5. If after 5 years the ratio of their ages becomes 5:6, what is the present age of Sudhir?
(a) 18 years
(b) 21 years
(c) 22 years
(d) 20 years

Cost of 7000 bricks is Rs. 5740. Cost of labour to carry the bricks to the building place is Rs. 805. What is the cost at per thousand bricks?
(a) Rs. 900
(b) Rs. 750
(c) Rs. 800
(d) Rs. 935

A base ball team has lost 7 matches and has won 13 matches. What percent of the matches played did they win?
(a) 35
(b) 30
(c) 65
(d) 50

Ram sold a cow for Rs. 136 at a loss of 15%. At what price should he have sold it to gain 15% ?
(a) Rs. 184
(b) Rs. 186
(c) Rs. 180
(d) Rs. 189

Ramesh can do a work in 20 days. He worked alone for 10 days. Remaining work was copleted with the help of Dinesh 2 days. In how many days will the work be completed by both together?
(a) 2 days
(b) 3 days
(c) 5 days
(d) 4 days

The prize of three consecutive odd numbers is 20 more than the first number of these. What is the middle number?
(a) 7
(b) 9
(c) 12
(d) 8

The radius of the circle is diminished by 10%, the area is diminished by
(a) 10%
(b) 15%
(c) 19%
(d) 20%

Each side of the cube measures 8 meters. What is the volume of the cube?
(a) 72 Cubic meter
(b) 144 cubic meter
(c) 196 cubic meter
(d) None of these