Question

Please answer me fast (word problems)
a) The digits of a two digit number differ by 3. If the digits are interchanged and the
two numbers are added, their sum is 77. Find the numbers.

b) There are 90 multiple choice questions in a test. Suppose you get 2 marks for every
correct answer and for every question you leave unattempted or answer wrongly,
one mark is deducted from your total score of correct answers. If you get 60 marks
in the test, then how many questions did you answer correctly?

c) Rs 561 are divided among A, B and C such that A’s share is Rs 120 more than B’s
share and Rs 120 less than C’s. What is the share of B?

d) The grandfather is ten times elder than his granddaughter. He is also 54 years elder than her. Find their present ages.

e) A steamer goes downstream and coves the distance between two ports in 5 hours
while it covers the same distance upstream in 6 hours. If the speed of the stream is
1km/hr, find the speed of the steamer in still water.

f) A lady has a total of Rs 850 in coins of denomination Rs 1, Rs 2 and Rs 5. The number
of Rs 2 coins is 5 times the number of Rs 5 coins. The total number of coins is 400.
How many coins of each denomination are with her?

Answer 1

Answer:

b 180

Step-by-step explanation:

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