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Start learning 50% faster. Sign in nowNumber of ways of selecting two red balls = 9 C₂
Total number of balls = 4 + 9 + 5 = 18
Number of ways of selecting two balls = 18 C₂
Probability = 9 C₂ ÷ 18 C₂ = (9 × 8) ÷ (18 × 17) = 72 ÷ 306 = 4/17
In a certain code language, 'STATE' is written as '38401405' and 'EXILE' is written as 5489245'.How will ‘ARENA’ be written in that language?
Which two numbers (not digits) should be interchanged to make the given equation correct?
(18 × 2) – 24 + 10 × 160 ÷ 16 + (10 × 4) = 170
Five people, P, Q, R, S, and T, are sitting in a straight row, facing north. Q sits to the immediate left of S. Only three people sit between R and T. P...
Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left...
If STRICTURE is coded as TSUTCIRER, then how would INCULCATE be coded?
Which two signs should be interchanged to make the given equation correct?
756 ÷ 252 + 89 × 180 – 63 = 384
Read the given statement and conclusions carefully. Assuming that the information given in the statement is true, even if it appears to be at variance w...
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the one that is different.
In a code language, 'PRIZE' is written as RPZIF, and 'POWER' is written as OPEWS.
How will 'MONEY' be written in the same language?
If ‘J @ I % H # G & F’, then how is I related to F?
