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) %b) 20%c) %d) % Solution As per question25% of x = As per question: 25% of x is 40 less than 30% of (x+60), 30% of ( x+60) =10x = 4(3x – 220)10x = 12x –

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 = S.I =

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 + = 112.25Y is less than X = 112.25 – 100 =12.25In Percentage Y = = 10.9% Answer :

A person bought a rectangular piece of land whose length and breadth are in the ratio 7 : 5 If the cost of fencing the land is Rs 2,880 at the rate of Rs 15/m, then what is the length of the land? Options a) 56 mb) 40 mc) 60 md) 84 m Solution As

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