RRB Group-D 12th Oct 2018-shift -2

Instructions

For the following questions answer them individually

Question 71

What change will occur to the pH of a solution if its Hydrogen ion concentration is increased?

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Question 72

The square root of 19881 is:

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Question 73

The least reactive elements of the periodic table are:

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Question 74

Newton's second law of motion ............

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Question 75

What is the HCF of 132 and 176?

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Question 76

Shamim had to travel 420 km in 8 hours. If he travelled at an average speed of 60 km/h and took two breaks in between, the shorter break being one-third the duration of the longer, how many minutes was the longer break for?

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Question 77

An athlete in the Olympic mines covers a distance of 100 in in 10 s. His kinetic energy can be estimated to be in the range of:

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Question 78

A sum of money when invested for a year at the rate of 10% interest per annum compounded half-yearly becomes ₹ 44,100 at maturity. The sum invested was ............

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Question 79

Three out of the four options given below are related in a particular way. Choose the option that is different or odd from the others.

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Question 80

The ......... has created National Highways Investment Promotion Cell (NHIPC) for attracting domestic and foreign investment for highways projects.

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