1) the longest chord in acirle is a) diameter b) radius c) chord 2) the probability of sure event is a) 0 b) 1 c) 1/4 3) any triangle has at least..... acute angles a) 1 b) 2 c) 3 4) {1,2}_∅=.... a) ∅ b) {1,2} c) {1} 5) if x= {1,2},y= {2} then x∩y=..... a) {1,2} b) {2} c) {1}

maths junior 5

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