9441 + 3991 - 606 = ? xx 53 | कक्षा 14 | अभ्यास पेपर -15 | गणित | संशय

9441+3991-606=?x53

Find the product, using suitable properties: (a) 26 xx (-48) + (-48) xx (-36) (b) 8 xx 53 xx (-125) (c) 15 xx (-25) xx (-4) xx (-10) (d) (-41) xx 102 (e) 625 xx (-35) + (-625) xx 65 (f) 7 xx (50-2) (g) (-17) xx (-29) (h) (-57) xx (-19) + 57

In each of the following questions , three statements of numbers following same rules are given . Find the rule and accordingly find the value of the number ? If 32 xx 41 = 15, 51 xx 34 = 47, 41 xx 52 = 37 then 87 xx 53 = ?

The value of 1.6 div 1.6 of 1.6 + 0.6 of 1.4 div 0.5 - 0.001 xx 1.5 div 0.075 lies between:

(14-6xx2)/(15 div 3+3) is equal to ? (14-6xx2)/(15 div 3+3) का मान क्या होगा?

In an oil drop experiment , the following charge (in orbitrary units) were found on a series of oil droplets 2.30 xx 10^(-15),6.90 xx 10^(-15) xx 1.38 xx 10^(-14) ,5.75 xx 10^(-15), 3.45 xx 10^(-15),,1.96 xx 10^(-14), The magnitude of charge on the electron (in the same unit) is

Find the value of: (i) (82)^(2) - (18)^(2) (ii) (128)^(2) - (72)^(2) (iii) 197 xx 203 (iv) (198 xx 198 - 102 xx 102)/(96) (v) (14.7 xx 15.3) (vi) (8.63)^(2) - (1.37)^(2)