Question
Ratio of number of book to number of pen sold by a
shopkeeper is 21:12, respectively while ratio of number of pen to number of pencil sold by the same shopkeeper is 4:11, respectively. If price of each book, each pen and each pencil is Rs. 40, Rs. 20, and Rs. 10 respectively then revenue generated by shopkeeper is Rs. 21150. Find the number of pen sold by shopkeeper.Solution
Let, number of book and number of pen sold by shopkeeper be 21x and 12x respectively. Number of pencil sold by shopkeeper = 11/4 × 12x = 33x So, 21x × 40 + 12x × 20 + 33x × 10 = 21150 ⇒ 840x + 240x + 330x = 21150 ⇒ 1410x = 21150 x = 15 Number of pen sold by shopkeeper = 12x = 180
Find out the appropriate word.
In each question below, four words printed in bold type are given. These are numbered (A), (B), (C) and (D). One these words printed in bold might eith...
A) Certain B) Velocity C) Slowness D) Settled
We can use the intervening (A) few years to make our markets more competitive, procurement (B) more transparent (C) and foreign investment more (D) eas...
1) The movie was
2) all ready halfÂ
3) way when we
4) reached the theatre.
5) No error
Choose the option that is similar to the word given below
REVIVE
Select the most appropriate synonym of the given word.
Diligent
CADENCEÂ
She is known to be frank and always speaks her mind.
15. A) Certain    B) Velocity   C) Slowness    D) Settled
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