Exams › SSC CGL (Prelims) › General

In the number 87659_21, what is the smallest single digit that can replace the blank to make the entire number divisible by 11?

1. 7
2. 1
3. 3
4. 2

Correct answer: 1

Solution

For 87659d21, odd-position digits are 8, 6, 9, 2 (sum = 25) and even-position digits are 7, 5, d, 1 (sum = 13+d). The difference 25-(13+d) = 12-d must equal 0 or 11. Setting 12-d = 11 gives d = 1, which is a valid single digit.

Related SSC CGL (Prelims) General questions

• A shopkeeper sells rice at a discount of 6% on the marked price but uses a weight that is 25% less than the actual weight. Find his overall profit percentage.
• The profit made on an article sold for ₹2400 is equal to the loss incurred when it is sold for ₹2000. What will be the profit or loss percentage if the article is sold for ₹2200?
• Train A leaves Station X at 5:00 AM at 50 km/h. Train B leaves Station Y at 7:30 AM at 80 km/h. Both trains move towards each other. The distance between the stations is 500 km. When do they meet?
• A wholesaler marks up goods by 50% and gives a 12% trade discount. A retailer marks up by 20% and offers an 8% discount. The customer pays ₹12,216. What is the wholesaler's cost price approximately?
• If A : B = 3 : 4, B : C = 5 : 6, and C : D = 7 : 8, then find B : D.
• What is the result of $3^2 + 5 \div 0.8$?

⚔️ Practice SSC CGL (Prelims) General free + battle 1v1 →