The average marks of 45 students is shown as 65. It includes a wrong entry of 84 marks instead of 48 marks. The correct average is:
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What is the average of all the one digit and two digit natural numbers?
If two marbles are picked at random, what is the probability that either both are red or both are green?
Required probability = (10+3)91=1391=17
In a triangle PQR, the side QR is extended to S. ∠QPR = 72° and ∠PRS = 110°, then the value of ∠PQR is
In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?
What is the value of 96+21624?
A certain amount of money is divided between A and B in the ratio of 5:6. If B gets Rs. 360, the amount is
Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is
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