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Start learning 50% faster. Sign in nowSelection of 4 boys from 6 boys = 6C4 = 6!/(4! ×2!) = 15 Selection of 3 girls from 6 girls = 6C3 = 6!/(3! ×3!) = 20 Required number of ways = 15 × 20 = 300
Which is the best fire-extinguisher?
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Which gas is added under pressure to make soft drinks fizzy?
Which bond is weakest in nature?
Name the source from which aspirin is produced?
Diamond is harder than graphite because of which of the following reason?
Which endocrine gland requires iodine to synthesize a particular hormone, whose deficiency may cause goitre disease?
Adding which substance gives a blue color to glass?
In which medium, velocity of sound is maximum?
Which metal remains liquid at room temperature?