Simplification problems
- 1. What is the value of [12/(?5 + ?3)] + [18/(?5 ? ?3)]?
Options- A. 15(?5 ? ?3)
- B. 3(5?5 + ?3)
- C. 15(?5 + ?3)
- D. 3(3?5 + ?3 Also asked in: Bank Exams
Correct Answer: 3(5?5 + ?3)
- 2. If the value of 3-1.732 , then calculate the value of 243-12108-147
Options- A. 1.732
- B. -1.464
- C. 3.464
- D. -1.732 Discuss
Correct Answer: -1.732
- 3. What is the value of 36+729381+643
Options- A. 5/12
- B. 5/9
- C. 4/9
- D. 4/15 Discuss
Correct Answer: 5/12
- 4. If l + m + n = 9 and l2+m2+n2 = 31 , then the value of lm + mn + nl will be
Options- A. 22
- B. 50
- C. 25
- D. -25 Discuss
Correct Answer: 25
- 5. If 310 × 272 = 92 × 3n then the value of n is
Options- A. 10
- B. 12
- C. 15
- D. 20 Discuss
Correct Answer: 12
- 6. If x+1x ?0 and x3+1x3 = 0, then the value of x+1x4 is :
Options- A. 9
- B. 12
- C. 15
- D. 16 Discuss
Correct Answer: 9
- 7. If x+1x:x-1x=5:3 then the value of x is
Options- A. +- 1
- B. +-2
- C. +-3
- D. +-4 Discuss
Correct Answer: +-2
- 8. The value of (1(p-n)(n-q)+1(n-q)(q-p)+1(q-p)(p-n)) is
Options- A. 1
- B. 0
- C. p+q+n
- D. 2np+q Discuss
Correct Answer: 0
- 9. The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be
Options- A. 39 m
- B. 89 m
- C. 1.6 m
- D. 40 m Discuss
Correct Answer: 40 m
- 10. Simplify: (213 x 213 + 187 x 187)
Options- A. 80338
- B. 80438
- C. 60338
- D. 60438 Discuss
Correct Answer: 80338
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