Mathematics & Logic
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136
Divide 81 into three parts in the ratio 2 : 3 : 4.
Easy
Mathematics & Logic
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137
If A : B = 2 : 1 and A : C = 1 : 3, find B : C.
Medium
Mathematics & Logic
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138
If 10% of x = 20% of y, then x : y is:
Easy
Mathematics & Logic
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139
The third proportional to 16 and 36 is:
Easy
Mathematics & Logic
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140
If x : y = 5 : 2, then (8x + 9y) : (8x + 2y) is:
Easy
Mathematics & Logic
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141
A mixture contains milk and water in the ratio 4 : 3. If 5 liters of water is added, the ratio becomes 4 : 5. Find the quantity of milk.
Medium
Mathematics & Logic
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142
Divide ₹1050 among A, B and C in the ratio 3 : 5 : 7.
Easy
Mathematics & Logic
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143
A sum of ₹1300 is divided among A, B, C and D such that A/B = B/C = C/D = 2/3. Find A's share.
Hard
Mathematics & Logic
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144
If a : b = 5 : 7 and b : c = 6 : 11, then find a : b : c.
Easy
Mathematics & Logic
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145
Three numbers are in the ratio 3 : 4 : 5 and their LCM is 2400. Their HCF is:
Hard
Mathematics & Logic
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146
The ratio of the length and breadth of a rectangular field is 3 : 2. If the perimeter is 80m, find its area.
Medium
Mathematics & Logic
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147
Two numbers are in the ratio 4 : 5. If their HCF is 16, find the sum of these numbers.
Easy
Mathematics & Logic
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148
The ratio of the ages of A, B and C is 2 : 3 : 4. If the age of C is 12 years more than A, find B's age.
Medium
Mathematics & Logic
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149
If x : y = 3 : 4, find (4x + 5y) : (5x - 2y).
Easy
Mathematics & Logic
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150
A and B have monthly incomes in the ratio 4 : 3 and monthly expenses in the ratio 3 : 2. If each saves ₹600 per month, find their monthly incomes.
Medium
Mathematics & Logic
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