Maths

If 25% of x is 40 less than 30% of (x+60), then 35% of (x−40) is what percentage more than 120 ? Optionsa) $ 16 \frac 23$%b) 20%c) $ 12 \frac 13$%d) $ 15 \frac 43$% Solution As per question25% of x = $ \frac {x \times 25}{100} = \frac{x}{4}$ As per question: 25% of x is 40 less

A man bought two mobiles phones for Rs 50,000. He sold one of them at a profit of 15% and the other at a loss of 20%, If the selling price of each mobile is the same, what is the approximate cost price (to the nearest rupee) of the mobile that was sold at a

A man lent out Rs 14,000 at 5% and Rs 19,000 at 6% simple interest per annum. His total income(in Rs) from the interest in 3 years is: Options a) 3,420b) 2,100c) 5,445d) 5.520 Solution As per questionP = 14000R = 5%T = 3 yearP = 19000R = 6%T = 3 yearS.I = $ \frac

If X is 12.25% more than Y, then Y is approximately _______ less than X. Optionsa) 3%b) 10.9%c) 12%d) 15.6% Solution As per questionLet’s assume that y = 100If X is more than Y = 100 + $ \frac {12.25}{100} \times 100$ = 112.25Y is less than X = 112.25 – 100 =12.25In Percentage Y

The ages of two persons P and Q are in the ratio 5 : 7 Eight years ago, the ratio of P and Q was 7 : 13. The present ages of P and Q, respectively, are: Optionsa) 15 and 21 yearsb) 20 and 28 yearsc) 21 and 15 yearsd) 12 and 13 years Solution

By selling an article for Rs 1800, triple the profit is obtained than the profit that would have been obtained by selling it for Rs 1350. The cost price (in Rs) of the article is: Optionsa) 1200b) 1125c) 1250d) 1175 Solutions As per question1st selling price = 1800 Rs.2nd selling price = 1350 Rs.Triple the