SSC CHSL 3 Feb 2017 Evening Shift

Instructions

For the following questions answer them individually

Question 61

In a class of 65 students there are 39 girls. The average weight of these girls is 60 Kg and average weight of the full class is 64 kgs. What is the average weight of the boys of the class?

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Question 62

The length of the diagonal of a square is 14 cm. What is area of this square?

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Question 63

Find equation of the perpendicular to segment joining the points A(0,4) and B(-5,9) and passing through the point P. Point P divides segment AB in the ratio 2:3.

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Question 64

A student multiplied a number by 4/7 instead of 7/4. What is the percentage error in the calculation?

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Question 65

Painter A can paint a house in 40 days and Painter B can do it in 60 days. With help of C, they did the job in 20 days only. Then, C alone can do the job in

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Question 66

Find the sum of the measures all the interior angles of a decagon .

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Question 67

The diagonal of a square is 10√2 cm, find its perimeter?

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Question 68

Which of the following is correct?

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Question 69

If a - b = -5 and $$a^2 + b^2$$ = 73, then find ab.

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Question 70

The sum of a non-zero number and ten times its reciprocal is 7. Find the number.

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