(1) 9 (2) 5 (3) 7 (4) 1
An article sold at Rs. 425 earned profit equal to the loss incurred when sold for Rs. 375. What is the eost price of that article?
(1) Rs. 370
(2) Rs. 385
(3) Rs. 390 .
(4) Rs. 400
The average age of boys in the class is twice the number of girls in the class. If the ratio of boys and. girls in the class of 36 be 5 : 1, what is the total of the ages (in years) of the boys in the class ?
1) 490
2) 196
3) 420
4) 360
By how much is one-third of 156 more than two-fifth of 115 ?
1) 110
2) 41
3) 29
4) 6