(a+b)2 + (b+c)2 =
Correct answer A. a2 + 2b2 + 2ab + c2 + 2bc
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Maths MCQs & Aptitude MCQs
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(8/Z)+(6/Z) x (40/Z) =? If Z=2
Correct answer E. 64
4×2 + 16x + 36 is equivalent to?
Correct answer D. 4 (x2+4x+9)
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(7x-49) / (x-7) =
Correct answer C. 7
If a = 3 b = -1 c = 2 which is true (I) a+b+c = 4 (II) 3a + 5b = 4 (III) 2c – 5a = 6
Correct answer D. I and II
7n2 – 7n + 5 – (3n + 7n2) =
Correct answer C. ?10n + 5
Find the value of the function x3+2+5 at = 2
Correct answer B. 17
Ahmad bought color pencils with price 3.45 16.75 9.84 and 8.16. Find the average amount spent on a pencil?
Correct answer C. 9.55
The average weight of the class of 35 students was 45 kg. With the admission of a new student the average weight came down to 44.5 kg. Find the weight of new student?
Correct answer A. 27 kg
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In the above question what is the average of un-recovered persons per year?
Correct answer A. (x-y)/5
The sum of the ages of Sadia and her mother is 63 years. Four years earlier her age was 1/4 of her mothers age. What is the present age of her mother?
Correct answer A. 48
Xs age is twice the average age of A B and X. As age is one half the average age of A B and X. If B is 5 years old what is the average age of A B and X?
Correct answer A. 10
The difference of the ages of two brothers is 2 and the difference of thesquares of their ages is 16. The age of smaller one is?
Correct answer D. 3
In 1975 A was thrice as old as B but in 1979 A was only twice as old as B was. How old was A in 1985?
Correct answer D. 22
Bills age is 1/3 of mikes age who is 60% of James age. Torm is twice as old as Mike. What is the ratio of Bills age to Toms age?
Correct answer A. 1?6
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3 years ago the average age of C and D was 18 years. With E joining them the average becomes 22 years. How old is E now?
Correct answer A. 24
Kamals age is 1/6 of his fathers age. The fathers age will be twice of Kamals age after 10 years. If Kamals 8th birthday was celebrated 2 years ago what is Kamals present age?
Correct answer E. none
The ages of C and D are in 6:11 and E is 6 years younger than D. If the sum of ages is 134 then what is the age of D?
Correct answer D. 55
X is 4 times as old as y. 4 years ago X was 10 times as old as Y. What will be the ratio of their ages 6 years hence?
Correct answer A. 5?2
A father is 3 years older than 3 times the age of his son. If the sum of their ages is 31 years how old was father 3 years ago?
Correct answer A. 21