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CTET Solved Paper MCQ - UTET January 2017

136 The ratio of annual incomes of P and Q is 4 : 3 and, the ratio of their expenditures is 3 : 2. If both of them save ₹600 in the end of year then difference of their income is

Let the income of P and Q are 4x and 3x and expenditures of P and Q are 3y and 2y.
∴ 4x-3y = 600 ...(i)
3x - 2y = 600 ...(ii)
∴ From Equations (i) and (ii), we get
x = 600 = difference in income.

137 The value of

utetjan17 q97c

138 When Nikunj is told to find the 6/7th of a fraction, then by mistake he divides the fraction by 6/7 and gets result 13/70 more than the original result. The fraction will be

139 (100)^1/2 X (0.001)^1/3 - (0.0016)^1/4 X 3⁰ + (5/4)^-1 is simplified to

utetjan17 q103a

140 The difference between the selling price and the cost price of an article is ₹210. If the profit percent is 25, then the selling price of the article is

CP = 210/25 x l00 = ₹840.
∴ SP = 840 + 210 = ₹1050.

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Question:

The average of some natural numbers is 15. If 30 is added in first number and 5 is subtracted from last number then average becomes 17.5. How many…

A. 30.
B. 20.
C. 15.
D. 10.

Correct answer: D

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