Ratio and Proportion

If arcs PAQ and RBS of a circle are congruent, then find the ratio of PQ and RS. यदि किसी वृत्त में चाप PAQ और RBS सर्वांगसम (Congruent) हैं, तो जीवा PQ और RS का अनुपात ज्ञात कीजिए।

The present ages (in years) of A and B are in the ratio of 3: 4. Five years back, the ratio of their ages was 2: 3. What is the present age (in years) of A? A और B की वर्तमान आयु (वर्षों में) का अनुपात 3 : 4 है। पाँच वर्ष पहले उनकी आयु

If a : b = c : d = e: f = 5 : 7, then what is the ratio $ (3a + 5c + 11e) / (3b + 5d + 11f)$ ?

If 25% of (p + Q) = 75% of (p — Q), then find the ratio p: Q. यदि (p + Q) का 25% = (P – Q) का 75% है, तो P : Q  का अनुपात ज्ञात कीजिए।

A bag contains red, blue, and green balls in the ratio 4 : 5 : 6. If 6 red balls are removed and 3 green balls are added, the new ratio becomes 2 : 5: 7. How many red balls were originally in the bag ? एक थैले में लाल, नीली और हरी गेंदे 4:

A train covers three equal distances at speeds in the ratio 4 : 5 : 6. What is the ratio of its average speed to its minimum speed over the entire journey? एक ट्रेन तीन समान दूरियाँ क्रमशः 4 : 5 : 6 के अनुपात वाली गतियों से तय करती है। पूरी यात्रा के दौरान

A company placed an order for 20 high-end laptops and some quantity of standard desktops. The price of a high-end laptop was 5 times that of a standard desktop. Due to a mistake, the number of laptops and desktops was interchanged in the delivery. This caused the total bill to increase by 80%. What was

If A : B = 7 : 5, B : C = 2 : 3, and C : D = 4 : 5, find the ratio  A : D. यदिA : B = 7 : 5, B : C = 2 : 3, तथा C : D = 4 : 5 है तो A :

The ratio of the profit to the cost price of a product is 2 : 7 What is the ratio of its selling price to its profit? किसी वस्तु के लाभ और लागत मूल्य का अनुपात 2 : 7 है। इसके विक्रय मूल्य और लाभ का अनुपात क्या हैं?