Two types of wheat are mixed in the ratio 5 : 3 to give a mixture worth Rs. 28.75 per kg. If the first type costs Rs. 25 per kg, what is the cost of the second type per kg?
Correct answer B. Rs. 35
Subject / 2,109 questions
Maths MCQs & Aptitude MCQs
Page 20 of Aptitude multiple-choice questions with answers. Tap an option to check yourself.
Page 20 of 106
- Numbers 104
- Percentage 103
- Age Questions 95
- Profit and Loss 82
- Ratio and Proportion 80
- Time and Work 73
- Alligation or Mixture 73
- Fraction and Decimal 72
- Compound Interest 71
- Simple Interest 69
- Area 64
- Volume and Surface Area 64
- Equations and Inequalities 64
- Time and Distance 64
- Simplification 60
- Permutation and Combination 59
- Average 59
- Basic Algebra 58
- Pipes and Cistern 57
- Partnership 56
- Square Root and Cube Root 51
- Problems on Numbers 47
- Probability 45
- Problems on Trains 44
- Odd Man Out and Series 43
- Surds and Indices 43
- Clock 39
- Races and Games 38
- Height and Distance 37
- True Discount 36
- Stocks and Shares 34
- Boats and Streams 34
- Banker's Discount 32
- Counting 32
- Logarithm 30
- Problems on H.C.F and L.C.M 30
- Calendar 30
- Road Problems 26
- Word Problems 25
- Men and Food 24
Section A has 45 students with an average score of 60. When combined with section B, whose average is 75, the overall average becomes 66. How many students are in section B?
Correct answer B. 30
Container X has milk and water in the ratio 4 : 1 and container Y has them in the ratio 2 : 3. In what ratio must the contents of X and Y be mixed to get milk and water in equal amounts?
Correct answer C. 1:3
Advertisement
A tank is full of pure petrol. Each time, 20% of the contents are drained and replaced with kerosene. After three such operations, what percentage of the tank is petrol?
Correct answer D. 51.2%
A can holds 120 litres of milk and water in the ratio 5 : 1. How many litres of the mixture must be drawn off and replaced with water so that the ratio becomes 3 : 1?
Correct answer C. 12 litres
A cask contained a solution with 40% spirit. Part of it was taken out and replaced with a solution containing 25% spirit, and the cask now has 30% spirit. What fraction of the original solution was replaced?
Correct answer D. 2/3
In what ratio must a jeweller melt 22-carat gold with 18-carat gold to obtain 20.5-carat gold?
Correct answer D. 5:3
A bag contains 60 coins of Rs. 2 and Rs. 5 denominations worth Rs. 240 in all. How many Rs. 5 coins are there?
Correct answer D. 40
A trader sells 50 kg of sugar, part at 8% profit and the rest at 18% profit, earning 14% profit overall. How many kg did he sell at 18% profit?
Correct answer D. 30 kg
Advertisement
Milk costs Rs. 50 per litre. How much water must be added to 40 litres of milk so that the mixture can be sold at Rs. 40 per litre without any loss?
Correct answer B. 10 litres
A 40 litre mixture contains milk and water in the ratio 3 : 1. If 5 litres of milk and 5 litres of water are added, what is the new ratio of milk to water?
Correct answer D. 7:3
A drum contains 50 litres of pure milk. 5 litres are removed and replaced with water, and this is repeated once. How much water does the drum now contain?
Correct answer B. 9.5 litres
How many kg of an alloy containing 85% silver must be melted with 10 kg of an alloy containing 60% silver to obtain an alloy with 75% silver?
Correct answer B. 15 kg
Three varieties of nuts costing Rs. 40, Rs. 50 and Rs. 70 per kg are mixed in the ratio 2 : 3 : 1. What is the cost of the mixture per kg?
Correct answer C. Rs. 50
Two varieties of flour costing Rs. 24 and Rs. 30 per kg are mixed with a third variety in the ratio 1 : 2 : 3. If the mixture costs Rs. 35 per kg, what is the price of the third variety per kg?
Correct answer C. Rs. 42
Advertisement
A dealer mixes 12 kg of coffee costing Rs. 80 per kg with 8 kg of coffee costing Rs. 105 per kg. What is the cost of the mixture per kg?
Correct answer D. Rs. 90
In what ratio must coffee powder costing Rs. 300 per kg be mixed with coffee powder costing Rs. 420 per kg to get a blend worth Rs. 340 per kg?
Correct answer B. 2:1
What is the smaller angle between the hands of a clock at 12:36?
Correct answer D. 162°
What is the angle between the hands of a clock at 3:24?
Correct answer D. 42°
How many minutes after 10 o’clock will the hands of a clock first be together?
Correct answer A. 54 6/11 minutes