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Simplification
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Question
If a+b=5 then the value of a-37+b-27 is
Options
A. 27
B. 37
C. 1
D. 0
Correct Answer
0
Tags:
Bank Exams
Simplification problems
Search Results
1. What is the simplified value of cosec 2A + cot 2A?
Options
A. sec A
B. sec (A/2)
C. cot A
D. cot2 A
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Correct Answer: cot A
2. What is the simplified value of sin2(90??)?[sin(90??)sin?/tan?] ?
Options
A. 1
B. cosec ?
C. 0
D. cos ?
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Correct Answer: 0
3. If x2 + (1/x2) = 1 , then what is the value of x48 + x42 + x36 + x30 + x24 + x18 + x12 + x6 + 1 ?
Options
A. -9
B. 0
C. 1
D. 9
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Correct Answer: 1
4. If a(a + b + c) = 45, b(a + b + c) = 75 and c(a + b + c) = 105, then what is the value of (a2 + b2 + c2 ) ?
Options
A. 75
B. 83
C. 217
D. 225
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Correct Answer: 83
5. If x1/4 + x-1/4 = 2 , then what is the value of x81 + (1/x81) ?
Options
A. -2
B. 0
C. 1
D. 2
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Correct Answer: 2
6. If x2-2x+1=0, then the value of x4+1x4 is
Options
A. 0
B. 1
C. 2
D. 3
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Correct Answer: 1
7. The length of a median of an equilateral triangle is 12?3 cms. Then the area of the triangle is
Options
A. 144 sq. cms
B. 288?3 sq. cms
C. 144?3 sq. cms
D. 288sq.cms
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Correct Answer: 144?3 sq. cms
8. 0 is the circumference of a triangle ?ABC . The point A and the chord BC are on the opposite side of O. If ?BOC=150° then the value of ?BAC is
Options
A. 65°
B. 60°
C. 70°
D. 75°
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Correct Answer: 75°
9. In an acute-angled triangle ABC is Sin(B+A+C)= 32 and tan(C+A-B)=1, then C is equal to
Options
A. 37.5°
B. 67.5°
C. 52.5°
D. 72.5°
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Correct Answer: 52.5°
10. If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is
Options
A. 0
B. 1
C. 1/2
D. 2
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Correct Answer: 1
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