Solution, Here we have to simplify the binomial expression 5x/8 + x/8 + 2x/8 = 5x/8 + x/8 + 2x/8 For the simplification of this expression, we can first take LCM of the denominator  = (5x + x + 2x)/8 Now, let’s do the addition in the .....

Here, we have been given the decimal value. We have been asked to express it in percentage. At first let us write down given information: Given,  0.008 To write decimal in percent, we should multiply by 100 and add the percent symbol.  So, .....

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We go to the hospital when we are .....

Solution, Here we have to simplify the expression (1/y - y) ( 1/y + y) - (1/y + y)2                                               .....

Here, we have been given the length and breadth of a room. We have been asked to find the ratio. At first let us write down given information: We have,  Length = 5.8 m Breadth = 3.2 m Ratio =? Ratio is the way of comparing quantities or number .....

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Solution, Here we have to simplify the trinomial expression (x2 + xy + xy + y2)/(x2 - xy - xy + y2 ) ÷ (x3 + 3xy(x + y) + y3)/(x3 - 3xy(x - y) - y3)                     .....

Here, we have been given as percent figure. We have been asked to express in fraction in simplest form and as a decimal. At first let us write down given information: Given,  350% To express percentage as fraction, we should divides percentage .....

Here,  The diameter of the circle (d) = 20 cm The radius of a circle (r) = ? We know,  r = d2     = 202 cm    =10 cm ∴r=10 cm Hence, the radius of the circle is 10 .....

Large .....

The sound wave with frequencies below 20 Hz is called infrasonic .....

Two engines doing the same work may have different powers because their rate of doing work may .....

The resistance of a conductor is said to be one ohm if the current of 1 ampere flows through it with the supplied potential difference of one volt across .....

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Here, we have been given a percentage. We have been asked to express into the fraction of denominator 100. At first let us write down given information: Given,  100%  Let us put 100 as denominator, = 100/100 ∴ Required fraction is .....

Here, we have been given fraction. We have been asked to express it in percent. At first let us write down given information: Given,  7/20  To write fraction in percentage, we should divide numerator by denominator then multiply result by .....

Solution: Here, a : b = 1 : 2, and b : c = 2 : 3 Now, ab × bc = 12 × 23 Or, ac = 1×22×3 Or, ac = 26  Or,  ac = 13 ∴ a : c = 1 : 3 Now, in the first ratio b = 2 and in the second ratio b = 2 The LCM of 2 .....

Solution: Length of the box (l) = 12 m Breadth of the box (b) = 10 m Volume of the box (V) = 480 m3 Height of the box (h) = ? We know,  Height of the match box (h)     = V / lb            .....

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(a) Ca(OH)2 + CO2 → CaCO3+ H2O (b) Zn + 2AgNO3 → Zn(NO3)2 + 2Ag (c) 2Al + 3CuCl2 → 2AlCl3 + 3Cu (d) BaCl2 + K2SO4→ BaSO4 + .....

Solution: Length of the cuboid (l) = 10 cm Breadth of the cuboid (b)= 8 cm     Height of the cuboid (h) = 4 cm We know,  Total surface area of cuboid (T.S.A) = 2 (lb + lh + bh)            .....

Solution: Length of the cuboid (l) = 15 cm Breadth of the cuboid (b)= 10 cm     Height of the cuboid (h) = 5 cm We know,  Total surface area of cuboid (T.S.A) = 2 (lb + lh + bh)            .....

1. Penguin 2. Emu 3. Ostrich 4. Kiwi 5. .....

The complementary angle of 55° = 90° - 55°                                                       = .....

Solution: Here, p : q = 2 : 3, and q : r = 2 : 5 Now, pq × qr = 23 × 25 Or, pr = 2×23×5 Or, pr = 415 ∴ p : r = 4 : 15 Now, in the first ratio q = 3 and in the second ratio b = 2 The LCM of 3 and 2 is 6. Now, ab = 23 .....

Standard of living refers to the level of wealth, comfort, material goods and necessities available to a certain socioeconomic class in a certain geographic area. The factors affecting the living standard of people are listed as .....

क) शैली आइन् । ख) भैली खेल । ग) पैसा गन .....

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The muscle which causes the body parts to move towards the body due to contraction is called .....