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# SSC CGL Tier 1 Quantitative Aptitude Questions and Answers Online Test 2

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Exercise

 "The secret to creativity is knowing how to hide your sources." - Albert Einstein
1 . A bag contains 5 white and 7 black balls and a man draws 4 balls at random. The odds against these being all black is :
 7 : 92 92 : 7 92 : 99 99 : 92
2 . The letters of the word SOCIETY are placed at random in a row. The probability that the three vowels come together is
A.$1\over6$ , B.$1\over7$ , C.$2\over7$, D.$5\over6$
 a b c d
3 . There are three events $E_1$,$E_2$,and $E_3$ One of which must, and only one can happen. The odds are 7 to 4 against $E_1$,5 to 3 against $E_2$ The odds against ,and $E_3$ is
 4 : 11 3 : 8 23 : 88 65 : 23
4 .
 2n + 5 5n+ 6 8n+ 3 8n+ 15
5 .
 16 8 4 ${\sqrt15}$
6 . A trader marked a watch 40% above the cost price and then gave a discount of 10%. He made a net profit of Rs.468 after paying a tax of 10% on the gross profit. What is the cost price of the watch?
 Rs.1200 Rs.1800 Rs.2000 Rs. 2340
7 . By selling 8 dozen pencils, a shopkeeper gains the selling price of 1 dozen pencils. What is the gain?
A.12$^1\over2$ % , B.13$^1\over7$ % , C.14$^2\over4$ , D.87$^1\over2$ %
 a b c d
8 . For what value of k, will the expression 3x 3 – kx 2 + 4x + 16 be divisible by $\left( x-\frac{ k}{2}\right)$ ?
 4 -4 2 0