M4maths Maths Puzzle Logical Reasoning

making of six equal squares using 12 match sticks

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M4maths Other Question

Three cards are drawn at random from a pack of 52 cards. Find the probability that one of the cards drawn is an ace, one is a jack & one is queen

a. 3/52
b. 3 4C1 / 52C3
c. 4 C1 / 52 C3
d. (4 C1) 3 / 52 C3
What is the next number of the following sequence
13, 34, 74, 170, 290, ..............