A s income is 25% more than B s income. B s income is what percen

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

51.

A can do a piece of work in 8 days and B can do it in 10 days separately. How many days would it take for both A and B to finish the same work together?

  • 33 over 8

  • 40 over 9

  • 41 over 10

  • 42 over 11


52.

The lengths of the diagonal of a rhombus are 8cm and 6 cm. The area of rhombus is:

  • 96 cm2

  • 60 cm2

  • 48 cm2

  • 24 cm2


53.

Two successive discounts of 10% and 20% are equivalent to a single discount of

  • 28%

  • 27%

  • 25%

  • 30%


54.

A and B together have Rs 6,300/-. If 5 over 19 of A's income is equal to 2 over 5 of B's amount. The amount of B is

  • Rs 2,500

  • Rs 3,800

  • Rs 2,300

  • Rs 4,000


Advertisement
55.

If the selling price of 40 articles is equal to the cost price of 50 articles, the loss or gain percent is

  • 25% gain

  • 20% gain

  • 25% loss

  • 20% loss


Advertisement

56.

A's income is 25% more than B's income. B's income is what percent of A's income?

  • 80%

  • 75%

  • 50%

  • 25%


A.

80%

According to the question,
 straight A space equals space straight B space cross times space 125 over 100
straight A over straight B space equals space 5 over 4
rightwards double arrow space space straight A space colon thin space straight B space equals space 5 space colon space 4
∴  Required percentage:
               equals space open parentheses 4 over 5 space cross times space 100 close parentheses space equals space 80 percent sign


Advertisement
57.

In what time will a train, 60m long, running at the rate of 36 km/h pass a telegraph post?

  • 9 sec

  • 8 sec

  • 7 sec

  • 6 sec


58.

If 5 straight x space plus space 1 over straight x space equals space 10 comma then straight x squared space plus space fraction numerator 1 over denominator 25 straight x squared end fraction is equal to

  • 2 1 fifth

  • 3 1 fifth

  • 3 3 over 5

  • 2 3 over 5


Advertisement
59.

If 4 straight r space equals space straight h space plus space square root of straight r squared plus straight h squared end root  then r : h is left parenthesis straight r not equal to 0 right parenthesis

  • 17 : 8

  • 8 : 17

  • 8 : 15

  • 15 : 8


60.

If sin A + sin2A = 1  then what is the value of cos2A + cos4A?

  • 1

  • 2

  • 1/2

  • 1/4


Advertisement