Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

61.

If fraction numerator open square brackets 2 open parentheses begin display style fraction numerator 4 straight x over denominator 5 end fraction end style minus begin display style 3 over 4 end style close parentheses close square brackets over denominator 3 minus begin display style 5 over 3 end style end fraction space equals space minus 1 over 6 comma then the value of x is:

  • 4 over 15

  • negative 15 over 4

  • negative 4 over 15

  • 15 over 4


62.

If a3 + b3 = 35 and ab = 6, then what is the value of a + b?

  • 5

  • 8

  • 2

  • -8


63.

Sum of a fraction and thrice of its reciprocal is 73 over 20. What is the fraction?

  • 4 over 5

  • 9 over 4

  • 4 over 9

  • 5 over 4


64.

What is the sum of 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

  • -75

  • 55

  • 11

  • 100


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65.

What is the reflection of the point (-1, 3), in the line x = -4?

  • (-7, -3)

  • (-7, 3)

  • (7, -3)

  • (7, 3)


66.

The co-ordinates of the centroid of a Δ ABC are (1, -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3, -4) and (0, 5) respectively.

  • (0, 13)

  • (0, 5)

  • (0, -5)

  • (0, -13)


67.

ax + 5y = 8 has slope of negative 4 over 3. What is the value of a?

  • 20 over 3

  • 3 over 20

  • negative 20 over 3

  • negative 3 over 20


68.

D and E are points on side AB and AC of Δ ABC. DE is parallel to BC. If AD : BD = 2 : 5 and area of Δ ABC is 98 cm2, what is the area (in cm2) of quadrilateral BDEC?

  • 90 cm2

  • 98 cm2

  • 94 cm2

  • 86 cm2


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69.

What is the value of cot space 45 degree space minus space open parentheses fraction numerator 1 over denominator square root of 3 end fraction close parentheses space cosec space 60 degree?

  • fraction numerator 1 over denominator square root of 3 end fraction

  • 1 half

  • fraction numerator 1 over denominator square root of 2 end fraction

  • 1 third


D.

1 third

rightwards double arrow space space space cot space 45 degree space minus space fraction numerator 1 over denominator square root of 3 end fraction cosec space 60 degree
equals space 1 space minus space fraction numerator 1 over denominator square root of 3 end fraction space cross times space fraction numerator 2 over denominator square root of 3 end fraction space equals space 1 minus space 2 over 3 space equals space 1 third


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70.

Δ DEF is right angled at E. if straight m space angle straight F space equals space 45 degree comma then what is the value of 2 sin F x cot F?

  • square root of 2

  • 2

  • fraction numerator 1 over denominator square root of 2 end fraction

  • 1 half


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