12 self study question with answer--25

Question 1

There are some coins of Re. 1, Rs. 2 and Rs. 5 in ratio 2:3:5. If the bag has Rs.66 in total, then find the number of Rs.5 coins??

  20

  15

  10

  25

It's '10 '
Let the number of coins be 2x, 3x and 5x. Now, their value is 2x+6x+25x=66 => x=2. Therefore, number of Rs.5 coins = 10.

Question 2

On selling 50 products, a merchant made a loss equal to selling price of 25 articles. Find his loss percentage.

  40

  25

  66.67

  33.33

It's '33.33 '
Let SP of one product be Re. 1. Now, total SP= Rs. 50 and total loss= Rs. 25
Thus total CP= 50+25= Rs. 75
Loss %= (25/75)100=33.3%

Question 3

Each of the five angles of a polygon is equal to 192 º andthe other are 160 º each. The number of sides of the polygon is

  21

  26

  28

  27

It's '26 '
Let the number of sides be ‘x’. Then according to question, 5192+(x-5)160=(x-2)180. So, ‘x’=26.

Question 4

Direction : Study the following figure and answer the questions given below.

How many backward educated people are unemployed?

  9

  6

  11

  5

It's '11'
11 people are in all the three fields

Question 5

How many backward people are employed ?

  5

  6

  8

  3

It's '8'
5 + 3 = 8

Question 6

Two positions of a cube are given. Based on them find out which number is found opposite number 4 in a given cube?

  1

  2

  3

  4

It's '3'

Question 7

Directions: Choose the correct preposition from the alternatives.

Rashmi can't decide _____ to move in with her boyfriend.

  whether

  if

  that

  about

It's 'whether '

Question 8

There will be less unemployment this year, or so the newspaper _____ .

  writes

  tells

  thinks

  says

It's 'says '

Question 9

The effects caused by World War II lasted well ____ the fifties

  after

  beyond

  over

  for

It's 'beyond '

Question 10

Founder of VanMahotsav is?

  Parveen Singh

  VN Nyer

  KM Munshi
D.

  Subramanian

It's 'KM Munshi
D.'

Question 11

Abbreviation SIM stands for?

  Subscriber Identity Method

  Subscriber Identity Module

  Subscription Identity Model

  Subscription Identity Method

It's 'Subscriber Identity Module '

Question 12

No. of bones in human skull is?

  20

  22

  24

  26

It's '22 '