Question
Statement: No black is blue Some black are
red Only a few blues are orange Conclusion: I. All red can never be blue II. Some reds are blues III. All orange being black is a possibility Study the following information and answer the questions below:Solution
The average age of three children is 20 years. If their ages are in the ratio 2:3:5. Find the age of the youngest child.
A cricketer whose bowling average is 24.85, runs per wicket, takes 5 wickets for 52 runs and thereby decreases his average by 0.85. The number of wicket...
The average weight of a group of NN children is (N+1)(N + 1) kg. When a child weighing 36.5 kg leaves the group, the average weight decreases by 0.5 kg....
The average weight of 8 boxes is 45 kg. If one more box weighing 63 kg is added, what will be the new average weight of the boxes?
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In a gathering of 30 guests, the average age of each guest in the class is 21 years. Later, 4 more guests join the party, causing the average age of the...
The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the g...
A marked an article 60% above the cost price and sold it for Rs. 450 after giving a discount of 10%. Find the percentage profit earned by him if he sell...
Average age of a class of 33 students is 14 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
- The earnings of ‘U’, ‘V’, and ‘W’ are in the ratio 2:3:5. Their average income is Rs. 18,000. If they spend 45%, 55%, and 65% of their respecti...