Quantitative Aptitude Set 1 - ssc
Question 1
What is 15% of 300?
Quantitative Aptitude Set 1: all 10 questions with answers
Try each question first, then open “Show answer” to check the correct option and explanation.
Q1.What is 15% of 300?
300 का 15% कितना है?
- A.30
- B.45
- C.50
- D.60
Show answer
Correct answer: B. 45
15% of 300 = 45.
300 का 15% = 45।
Q2.The average of 10, 20 and 30 is:
10, 20 और 30 का औसत है:
- A.15
- B.20
- C.25
- D.30
Show answer
Correct answer: B. 20
Average = (10 + 20 + 30) / 3 = 20.
औसत = (10 + 20 + 30) / 3 = 20।
Q3.If the cost price is ₹80 and the selling price is ₹100, the profit is:
यदि क्रय मूल्य ₹80 और विक्रय मूल्य ₹100 है, तो लाभ होगा:
- A.₹10
- B.₹15
- C.₹20
- D.₹25
Show answer
Correct answer: C. ₹20
Profit = Selling Price - Cost Price = ₹20.
लाभ = विक्रय मूल्य - क्रय मूल्य = ₹20।
Q4.Simple interest on ₹1000 at 10% per year for 2 years is:
₹1000 पर 10% वार्षिक दर से 2 वर्ष का साधारण ब्याज है:
- A.₹100
- B.₹150
- C.₹200
- D.₹250
Show answer
Correct answer: C. ₹200
SI = (P × R × T)/100 = 200.
साधारण ब्याज = (मूलधन × दर × समय)/100 = 200।
Q5.What is 3/5 of 50?
50 का 3/5 कितना है?
- A.20
- B.25
- C.30
- D.35
Show answer
Correct answer: C. 30
3/5 × 50 = 30.
3/5 × 50 = 30।
Q6.A train covers 120 km in 2 hours. Its speed is:
एक ट्रेन 2 घंटे में 120 किमी चलती है। उसकी गति है:
- A.50 km/h50 किमी/घंटा
- B.55 km/h55 किमी/घंटा
- C.60 km/h60 किमी/घंटा
- D.65 km/h65 किमी/घंटा
Show answer
Correct answer: C. 60 km/h
Speed = Distance ÷ Time = 60 km/h.
गति = दूरी ÷ समय = 60 किमी/घंटा।
Q7.40% in fraction form is:
40% को भिन्न रूप में लिखें:
- A.1/5
- B.2/5
- C.3/5
- D.4/5
Show answer
Correct answer: B. 2/5
40/100 simplifies to 2/5.
40/100 को सरल करने पर 2/5 मिलता है।
Q8.The ratio 20:25 simplifies to:
20:25 का सरल रूप है:
- A.2:5
- B.4:5
- C.5:4
- D.3:4
Show answer
Correct answer: B. 4:5
Both terms divide by 5, giving 4:5.
दोनों पद 5 से विभाजित होते हैं, इसलिए 4:5 मिलता है।
Q9.If 12 men complete a work in 10 days, total man-days are:
यदि 12 व्यक्ति 10 दिनों में काम पूरा करते हैं, तो कुल man-days होंगे:
- A.100
- B.110
- C.120
- D.130
Show answer
Correct answer: C. 120
Man-days = 12 × 10 = 120.
Man-days = 12 × 10 = 120।
Q10.The square of 12 is:
12 का वर्ग है:
- A.124
- B.132
- C.144
- D.156
Show answer
Correct answer: C. 144
12 × 12 = 144.
12 × 12 = 144।