RRB JE 22nd May 2019 Shift-1

Instructions

For the following questions answer them individually

Question 91

Find the value of $$ sin 120^\circ sin 240^\circ sin 270^\circ$$

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Question 92

When brake is applied in a bicycle, the brake pad touches the wheel. Now what stops the movement of the wheel?

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Question 93

Bala is facing west and moves forward; then he turns $$45^\circ$$ to his left. Which direction is he facing now?

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Question 94

Evaluate: $$1299 \times 1299$$

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Question 95

The radius of a circular wheel is 7/4 m. How many revolutions does the wheel make to cover 22 km?

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Question 96

The electrons present in the _________ of an atom are known as the valence electrons.

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Question 97

The Simple Interest on some amount of money for 2 years is Rs.400. If 'r' is 4% more, then the Simple Interest will be Rs.400 more. What is the original amount of money?

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Question 98

If P, Q and R can complete a job in 24, 16 and 12 days respectively, how long will they take to complete the job working together?

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Question 99

___________ is the richest source of Vitamin-C.

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Question 100

Solder is an alloy of-

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