Quantitative Aptitude Quiz | 27-May-2020 ||Bank, SSC, PSC, Railway|

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Quantitative Aptitude Quiz | 27-May-2020 |
|Bank, SSC, PSC, Railway|

(With Answer key and Solutions)

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 1. Sol. (B)
Required ratio/ अभीष्ट अनुपात = 3 × (115/100): 5 × (110/100): 7 × (120/100)
= 345: 550: 840
= 69: 110: 168

 2. Sol. (C)
T + S = 52 ... (I)
S + 2 = H + 2 + 2
S – H = 2 ... (II)
H – T = 6 ... (III)
On solving (I), (II) and (III), we get
H = 28, T = 22, S = 30
Required age of Sakshi 8 years ago

 3. Sol. (D)
Required value/ अभीष्ट मान = (24/100) × (4/9) × 5 × (27)2
= 388.8

 4. Sol. (A)
Cost price of the article/ वस्तु का क्रय मूल्य = 2475 × (7/8) × (8/9) = Rs. / रु. 1925
If no discount will be given/ यदि कोई छूट न दी गयी हो,
Profit/ लाभ = {(2475 – 1925)/ 1925} × 100 = 28 (4/7) %

5. Sol. (C)
Average age of remaining boys/ शेष लड़कों की औसत आय
= [{80 × 19 – (15 × 21 + 25 × 18)}]/40
= 18.875 years/ वर्ष

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