Match the following : A. Volume of Conei. πr2hB. Volume of Sphereii. 43πr3C. Volume of Cylinderiii. (πr2h)3
Question 7
Match the following: (i) 425×136=425×(6+30+100)(a) Commutativity under multiplication(ii) 2×48×50=2×50×49(b) Commutativity under addition(iii) 80+2005+20=80+20+2005(c) Distributivity of multiplication under addition
Find the mean for the following data: Daily wages (in ₹)90100110120130140150Number of Employees1213645
Match the following: a.Doppler effect i. Measure distance, directionand speed of underwater object b. RADAR ii. Relative motion between thesource of sound and observerc.SONAR iii. Audible range up to 100 kHzd. Bats iv. Electromagnetic waves