CTET Solved Paper - UTET January 2017
141. If 1/a : 1/b : 1/c = 4 : 6 : 10, then the value of a : b : c is
- Option : D
- Explanation : Given,
1/a : 1/b : 1/c = 4 : 6 : 10
⇒ a : b : c = 1/4 : 1/6 : 1/10 = 15 : 10 : 6.
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142. x% of y + y% of x is equal to
- Option : B
- Explanation : x% of y + y% of x
= xy/100 + xy/100 = 2xy/100 = 2% of xy.
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143. The value of following 4 - [6 - {12 - (10 - 8 - 6)}].
- Option : C
- Explanation :
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- Option : A
- Explanation : Let Shyam's income is ₹100.
∴ Ram's income is ₹160.
∴ Required percentage = 160 - 100/160 x 100
= 60/160 x 100 = 37.5%
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145. Which of the following properties do not exist in natural numbers?
- Option : C
- Explanation :
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