1000+ TCS Aptitude Questions and Answers Pdf - 1
Question: 1
Find a number such that when 15 is subtracted from 7 times the number, the result is 10 more than twice the number.
(A) 1
(B) 2
(C) 5
(D) 7
Ans: C
Let the number be x.
Then, 7x - 15 = 2x + 10 ⇒ 5x = 25 ⇒ x = 5.
Hence, the required number is 5
.Question: 2
A number when multiplied by 13 is increased by 180. The number is
(A) 5
(B) 12
(C) 13
(D) 15
Ans: D
Let the number be x.
Then, 13x = x + 180
⇔ 12x = 180
⇔ x = $${180}/{12}$$ = 15.
Question: 3
One third of a two digit number exceeds one fourth of its successive number by 1.
(A) 12
(B) 13
(C) 15
(D) 18
Ans: C
Let the number be x.
Then, $${x}/{3} - {(x + 1)}/{4}$$ = 1
⇔ 4x - 3(x + 1) = 12
⇔ x = 15.
Question: 4
The sum of two numbers is 40 and their difference is 4. The ratio of the numbers is
(A) 11 : 9
(B) 11 : 18
(C) 21 : 19
(D) 22 : 9
Ans: A
Let the numbers be x and y.
Then, $${x + y} / {x – y}$$ = $${40}/{4}$$ = 10
⇔ (x + y) = 10(x – y)⇔ 9x = 11 y
⇔ $${x}/{y}$$ = $${11}/{9}$$.
Question: 5
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is
(A) 9
(B) 15
(C) 18
(D) 24
Ans: B
Let the three integers be x, x + 2 and x + 4.
Then, 3x = 2(x + 4) + 3 ⇔ x = 11.
∴ Third integer = x + 4 = 15.
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