72.A and B bought two goods for Rs. 6000 and Rs. 4000 respectively. The selling price of B’s goods was 25% more than its cost price whereas the selling price of A’s goods was x% more than its cost price. If the selling price of A’s goods was Rs. 2500 more than the selling price of B’s goods, then find the ratio between selling price of A’s goods and cost price of B’s goods?
A और B ने दो वस्तुएं क्रमशः 6000 रु. और 4000 रु. में खरीदे। B के वस्तुओं का विक्रय मूल्य उसके क्रय मूल्य से 25% अधिक था, जबकि A के वस्तुओं का विक्रय मूल्य उसके क्रय मूल्य से x% अधिक था यदि A के वस्तुओं का विक्रय मूल्य, B के वस्तुओं का विक्रय मूल्य से 2500 रु. अधिक था, तो A के वस्तुओं के विक्रय मूल्य और B के वस्तुओं के क्रय मूल्य के बीच अनुपात ज्ञात कीजिए |
73. By selling of (x + 8) strawberry, a vendor loses the selling price of (x – 8) strawberry. If the loss percentage is 10%, what is the value of x?
(X + 8) स्ट्रॉबेरी को बेचने पर, एक विक्रेता को (x – 8) स्ट्रॉबेरी के विक्रय मूल्य की हानिं होती है। यदि हानि प्रतिशत 10% है, तो x का मान क्या है?
Option”C” is correct
Let the Selling Price of 1 strawberry = ₹ 1
∴ Selling Price (x + 8) strawberry = ₹(x + 8)
We know that, Cost price = Selling price + loss
Cost Price = (x + 8) + (x – 8) = 2x
∴ Percentage loss = loss/CP × 100
⇒ 10 = [2x – (x + 8)]/2x × 100
⇒ 1 = [x – 8]/2x × 10
⇒ 2x = 10x – 80
⇒ 10x – 2x = 80
⇒ 8x = 80
⇒ x = 10
∴ The value of x is 10
74.Pratyay bought a set of cups for 195, but then had to sell it later to clear old stocks for 171.6 What is the loss percentage?
प्रत्यय ने 195 में कप का एक सेट खरीदा, लेकिन बाद में इसे 171.6 में पुराने स्टॉक को हटाने के लिए बेच दिया। हानि प्रतिशत क्या है?
Option”A” is correct
Cost price = 195
Selling Price = 171.6
∴ Loss = (195 – 171.6) = 23.4
∴ loss percentage = 23.4/195 × 100% = 12%
75. By selling a bicycle for Rs. 4800 instead of Rs. 5500, loss percent increases by (350/11)%. The cost price of bicycle is?
5500 रुपये की जगह 4800 रुपये में साइकिल बेचने पर, हानि प्रतिशत (350/11)% बढ़ जाता है। साइकिल का क्रय मूल्य क्या है?
Option”A” is correct
Let the cost price of bicycle be Rs. x
Then,
[(5500 – 4800)/x × 100] = 350/11
⇒ 70000/x = 350/11
⇒ x = Rs. 2200
Cost price of Bicycle = Rs. 2200
Hence, option 1) is correct.
76. Find the ratio in single equivalent of two successive increases to that of two successive decreases of 10%:
10% की दो क्रमिक वृद्धि और दो क्रमिक कमी के एकल समतुल्य मान का अनुपात क्या है?
Option”B” is correct
Let the number be 100x, then
The number after two increases of 10% each = 100x × (110/100) × (110/100) = 121x
The number increases by = 121x – 100x = 21x
The number after two decreases of 10% each = 100x × (90/100) × (90/100) = 81x
The number decrease by = 100x – 81x = 19x
∴ Required ratio = 21x : 19x = 21 : 19
77. If selling price of an article is Rs. 432 and profit is 35%, then what will be the cost price of the article?
यदि एक वस्तु का विक्रय मूल्य 432 रुपये है और लाभ 35% है, तो वस्तु का क्रय मूल्य क्या होगा?
Rs. 480.40
Rs. 320
Rs. 583.20
Rs. 368
Option”B” is correct
Such questions can be solve easily by assuming Cost price 100x.
Hence, profit = 35x and selling price = 135x
According to question,
135x = 432
⇒ x = 432/135
∴ Cost price = 100x = (432/135) × 100 = 320
78. Ram sold goods to Rahim at 20% profit and Rahim further sell it at 25% profit to Ronak. If raunak purchased it at Rs. 4500 then find the cost price for Ram.
राम ने रहीम को 20% लाभ पर कोई सामान बेचा और रहीम ने इसे रौनक को 25% लाभ पर बेच दिया।अगर रौनक ने इसे 4500 रुपये में खरीदा तो राम के लिए क्रय मूल्य ज्ञात कीजिए।
3200
130
3000
140
Option”C” is correct
Let Ram cost price = 100
Ram profit percentage = 20%
= 20% × 100 ⇒ 20
Ram’s selling price = 100 + 20 ⇒ 120
∴ Cost price for Rahim = Ram’s selling price ⇒ 120
79. If a shirt was sold after two successive discounts of 10% each and difference between marked prices and selling prices of the shirt is Rs 38, then find the marked price of the article.
यदि एक शर्ट को 10% की दो क्रमिक छूट के बाद बेचा गया था और अंकित मूल्यों और विक्रय मूल्यों के बीच अंतर 38 रुपये है, तो वस्तु का अंकित मूल्य ज्ञात कीजिए।
Rs. 100
Rs. 200
Rs. 300
Rs. 400
Option”B” is correct
Let MP of the shirt be 100x
SP of the article = 100x × [90/100] × [90/100] = 81x
According to the question
100x – 81x = 38
⇒ 19x = 38
⇒ x = 38/19
⇒ x = 2
∴ Marked price of the article = 100 × 2 = Rs. 200
80. A miner sells a diamond to a trader at a profit of 40% and the trader sells it to a customer at a profit of 25%. If the customer pays Rs. 56 lakhs to buy the diamond, what had it cost the miner (in Rs lakhs)?
एक खनिक एक व्यापारी को 40% के लाभ पर एक हीरा बेचता है और व्यापारी इसे 25% के लाभ पर एक ग्राहक को बेचता है। यदि ग्राहक हीरे को खरीदने के लिए 56 लाख रुपये का भुगतान करता है, तो इसकी कीमत क्या थी?
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