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RRB JE 2019 | Day 74 | General Science + Quant Revision Quiz 14

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Question 1

The conversion of hard water into soft water by boiling or adding calcium hydroxide is called __________.

Question 2

Achras sapota is the scientific name of

Question 3

Which of the following gases if present in the atmosphere can be detected by its odour?

Question 4

The phenomenon which causes mirage is

Question 5

Which one of following is called the primary pace maker of the heart?

Question 6

Malaria is caused by _____.

Question 7

Alta Vista is a_________ .

Question 8

Arbind spends 75% of his income and saves the rest. His income is increased by 20% and he increases his expenditure by 10%. Then the increase in savings in percentage is

Question 9

The value of

Question 10

At 15% discount the selling price of a microwave oven id Rs 34000, what is the selling price if the discount is 37.5% ?

Question 11

The Banker’s discount on a bill due 6 months hence at 16% per annum is ₹ 216. The true discount is :

Question 12

The expression 2⁶ⁿ - 4²ⁿ, where n is a natural number is always divisible by

Question 13

A double bed is marked at Rs 7,500. The shopkeeper allows successive discounts of 8%, 5% and 2% on it. What is the net selling price?

Question 14

then find the value of x?

Question 15

The profit percent of a book seller if he sells book at marked price after enjoying a commission of 25% on marked price will be :

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ESE & GATE EE General

Feb 3ESE & GATE EE