If the number 247_679 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be
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The sum of digits of a two-digit number is 9. When the digits are reversed, the number decreases by 45. Find the changed number.
∆DEF is right angled at E. If tanD = 4/3, then what is the value of tanF ?
If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:
Total surface area of a cube is 486 sq cm, find sum of length of all its edges?
What is the value of equation a3+b3+c3-3abc if a2+b2+c2=ab+bc+ca+4 and a+b+c = 4.
What is the value of (cosec45 + √3/2) ?
Five angles of a hexagon measure 116 deg each. What is the measure of the remaining angle?
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