Correct Answer:
C. 10 years
Let Ali's present age be 'x'. The equation is 1/(x-2) + 1/(x+4) = 1/4. Solving this yields x=10. Other options do not satisfy the equation. For example, if x=6, 1/4 + 1/10 is not 1/4.
Related MCQs
Who build Wazir Khan Mosque:
A.
Akbar
B.
Jahangir
C.
Shah Jahan
D.
Aurangzeb
Correct answer is:
C. Shah Jahan
Which is the largest lake of Pakistan:
A.
Drop lake
B.
Manchar Lake
C.
Kunjhar lake
D.
Saif-ul-Matook lake
Correct answer is:
B. Manchar Lake
The Durand Line is the boundary between:
A.
India and Pakistan
B.
Iran and Pakistan
C.
Pakistan and Afghanistan
D.
Pakistan and China
Correct answer is:
C. Pakistan and Afghanistan
The blue color of the sky is due to:
A.
Spread of light
B.
Reflection
C.
Scattering
D.
Refraction
Correct answer is:
C. Scattering
The Songs of Blood and Sword was written by:
A.
Zulfiqar Ali Bhutto
B.
Benazir Bhutto
C.
Maleeha Lodhi
D.
Fatima Bhutto
Correct answer is:
D. Fatima Bhutto
If ABCD is a square with A(2,3), B(1,2), C(–1,–2), then what are the coordinates of D?
A.
(0, –1)
B.
(4, 5)
C.
(–3, 0)
D.
(1, –3)
Correct answer is:
A. (0, –1)