CTET Solved Paper - REET Feburary 2016
21. "I know him." The passive voice form of the sentence will be
PART IV
Mathematics
22. Ram loses the cost of 6 pens of selling of 144 pens. What is the percentage of loss?
- Option : D
- Explanation : Let the cost of 1 pen be ₹1
∴ Loss = Cost of 6 pens ₹6
∴ CP = 6 + 144 = ₹150
∴ Loss percentage = 6/150 x 100 % = 4%
23. The average of 3 numbers is 7 and average of first two numbers is 4. What is the third number?
- Option : B
- Explanation : As, Total of three numbers
= 3 x 7 = 21
Total of first two numbers = 4 x 2 = 8
∴ Third number = 21 - 8 = 13.
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